Degamma function
#1
Dear Experts!

If we check the limits of the ratio of the gamma function and the 3rd and 4th hyperoperators (exponentiation and tetration), then we see the the gamma function should be an interoperator. I show it:
lim exp(h) / h! = 0
lim h! / h^^2 = 0
lim h!^(1/h) / h = 1/e
lim log(h!)/log(h) / h = 1
h->+oo
I guess the level of iteration of an analytic increasing function, operator depends on its limits at infinity as also its asymptote at infinity. It is important to investigate the higher- and interhyperoperators. Now, I would like to generate the functional inverse of the gamma.
I have used matrices Carleman.

Code:
Dfac(x,N,h)=intnum(t=0,h,t^x/exp(t)*log(t)^N)
/*Nth derivative of function gamma*/
n=11
A=matrix(n,n,i,j,Dfac(0.0,j,1000.0)^i/j!)
defac(x)=sum(k=0,n,(A^-1)[1,k]*x^k)

I checked if defac(24)=4, but no, it does not work.
Please, help me.

Best regards,
Xorter Unizo
Xorter Unizo
Reply


Possibly Related Threads…
Thread Author Replies Views Last Post
  Is there any ways to compute iterations of a oscillating function ? Shanghai46 3 7,852 10/15/2023, 11:21 PM
Last Post: tommy1729
  Anyone have any ideas on how to generate this function? JmsNxn 3 5,060 05/21/2023, 03:30 PM
Last Post: Ember Edison
  [MSE] Mick's function Caleb 1 3,855 03/08/2023, 02:33 AM
Last Post: Caleb
  [special] binary partition zeta function tommy1729 1 3,797 02/27/2023, 01:23 PM
Last Post: tommy1729
  [NT] Extending a Jacobi function using Riemann Surfaces JmsNxn 2 4,810 02/26/2023, 08:22 PM
Last Post: tommy1729
  toy zeta function tommy1729 0 2,779 01/20/2023, 11:02 PM
Last Post: tommy1729
  geometric function theory ideas tommy1729 0 2,884 12/31/2022, 12:19 AM
Last Post: tommy1729
  Iterated function convergence Daniel 1 4,069 12/18/2022, 01:40 AM
Last Post: JmsNxn
  Fibonacci as iteration of fractional linear function bo198214 48 56,129 09/14/2022, 08:05 AM
Last Post: Gottfried
  Constructing an analytic repelling Abel function JmsNxn 0 3,093 07/11/2022, 10:30 PM
Last Post: JmsNxn



Users browsing this thread: 1 Guest(s)